We consider a model of financial intermediation with a monopolistic competition market structure. A non-monotonic relationship between the risk measured as a probability of default and the degree of competition is established.

A stylized macroeconomic model is developed with an indebted, heterogeneous Investment Banking Sector funded by borrowing from a retail banking sector. The government guarantees retail deposits. Investment banks choose how risky their activities should be. We compared the benefits of separated...

This paper introduces a classification of DSGEs from a Markovian perspective, and positions the class of POMDP (Partially Observable Markov DecisionProcess) to the center of a generalization of linear rational expectations models. The analysis of the POMDP class builds on the previous...

The explanation of velocity has been based in substitution and income effects, since Keynes’s (1923) interest rate explanation and Friedman’s (1956) application of the permanent income hypothesis to money demand. Modern real business cycle theory relies on a goods productivity shocks to...